Quote:
Originally posted by todwic
Ok, brilliant people. The powers that be are going to put GPS transponder(?) on my work vehicle. Either I (we) have to find a way to circumvent, or no more Friday afternoon strip clubs. So I am asking the brightest bunch of people that exist: How do I Jam/scramble/make worthless the signal w/o obviously tampering with the device?
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Who's system are they installing?
I doubt it is a GPS "transponder"!
Most of the vehicle tracking systems work by receiving the signals from the government's GPS satellites -- just like the handheld GPS units you can buy for knowing your location -- then uploading that data via "mobile phone" frequencies (through the cell towers, similar to the way a mobile phone sends a voice signal) to the service provider's servers. The authorized account holders then access the server and receive the data about your location (usually displayed on a map).
Most systems will store data in the module in the vehicle. If you block the GPS signal from reaching the unit by some shielding method, the unit can still approximate it's location via the cell tower it will be in communication with. If you blocked both the GPS signal and the mobile signal, the unit will probably still be able to store data about your vehicle and will know whether it is parked or moving. This data will then be communicated when the signal is restored.
Some units can have their own battery back-up, so even if you tamper with the fuse-link in an attempt to shut-down the unit while you take your little diversion, it will still be tracking you.
In short, I think you may have to start doing your "Friday afternoon strip club" visits on your own time. (Which is what your employer is hoping for by installing the units -- and can you really blame him for not wanting his employees to be cheating him out of the time he is paying for?)